NOTE: laptop already came with this latest bios version, which is:
3.24  (7UUJ49UC)  3.24  (7UET94WW)  1.06  (7VHT16WW)    01    2012/12/07

BIOS Update (Bootable CD) for Windows 7 (32-bit, 64-bit), Vista (32-bit, 64-bit), XP - ThinkPad R400, T400normalREADME for BIOS Update Bootable CD 43.998 KB 3.24/3.256/8/2015normalBIOS Update Bootable CD 33922 KB 3.24/3.256/8/2015



BIOS Update Bootable CD 
iso 
33.13 MB Windows 7 (32-bit)
Windows 7 (64-bit)
Windows Vista (32-Bit)
Windows Vista (64-Bit)
Windows XP (32-bit)
3.24/3.25 12/16/2012
CheckSum
MD5: 0f7918381a9bcd3295327392325308e3 
SHA1: 0ac9b72c4bc5b354857a4df86dbf5392855103fc 
SHA-256: 64febc1eecb5a01c3f0c0ded9628fbc5b3bd4fe8cdfa4a94b6918572610ed734 
--2016-03-05 16:56:11--  https://download.lenovo.com/ibmdl/pub/pc/pccbbs/mobiles/7uuj49uc.iso


README for BIOS Update Bootable CD 

44 KB Windows 7 (32-bit)
Windows 7 (64-bit)
Windows Vista (32-Bit)
Windows Vista (64-Bit)
Windows XP (32-bit)
3.24/3.25 12/16/2012
CheckSum
MD5: 029b094c39fa61e8bba8134b2e5059ba 
SHA1: bb0fb998df1ef94229d4d55749c9b5711d807e42 
SHA-256: 990bd73c7f2a69f1af33756f65388e6945616b6d567e3cf5828a2293e2f6bc5f 
--2016-03-05 16:55:51--  https://download.lenovo.com/ibmdl/pub/pc/pccbbs/mobiles/7uuj49uc.txt


990bd73c7f2a69f1af33756f65388e6945616b6d567e3cf5828a2293e2f6bc5f  7uuj49uc.txt
64febc1eecb5a01c3f0c0ded9628fbc5b3bd4fe8cdfa4a94b6918572610ed734  7uuj49uc.iso
